Euro

Deutschmark
The currency of West Germany and later Germany until its replacement by the euro in 2002.
Euro - The Single European Currency
An overview of the Euro, its adoption, historical context, and significance within the European Monetary Union.
European Currency Unit (Ecu)
A unit of account introduced by the European Economic Community when forming the European Monetary System in 1979, used primarily by official European bodies in accounting, and superseded by the euro in 1999.
hard Ecu
Proposal for a European Currency Unit (Ecu) that would have been non-devaluative, with implications for investment and foreign exchange reserves